Butter-cooler



UNITED STATES PATENT OFFICE.

G. W. SMITH, OF HARTFORD, CONNECTICUT.

BUTTER-COOLER.

Specification of Letters Patent No. 24,636, dated July 5, 1859'.

To all 'whom 'it may con/ccm:

Be itknown that I, G. IV. SMITH, of Hartford, in the county ot' Hartford and State of Connecticut, have invented a new and Improved Butter-Cooler; and I do hereby declare that the following is a full, clear, and exact description of t-he same, reference being had to the accompanying drawing, making a. part of this specification, in which-- Figure l, represents a vertical central section of my invention. Fig. 2, is a plan or top view of the same; the top being removed.

Similar letters of reference indica-te like parts in both of the figures.

This invention consists in arranging the cover of the butter-plate with an additional ice-chamber which is hermetically closed, whereby the ice is preserved much longer in a solid state, and so that the butter on the plate may be surrounded with ice on all sides, and thus kept cool in the very hottest season of the year.

To enable others to make and use my invention I will now proceed to describe it with reference to the drawing.

The butter-plate A, is arranged on a cupshaped vessel B, leaving room enough under the plate for a piece of ice, as clearly shown in Fig. l. The cover C, has the usual bellshaped form, so that its inner wall projects high enough above the plate to leave room for a certain quantity ot' butter. My cover, however, is constructed with double walls forming an ice-chamber D, which is filled with ice through an opening a, in the top of the outer wall, and this opening is then hermetically closed by a cover or top E, the central part of which forms a socket Z), which screws over a screw-bolt c, the said screw bolt being rigidly attached to the center of the inner wall of the cover O, and in such a position that it extends up through the opening a, in the outer wall and exactly in its center', so that when the top E, is put on, it screws down perfectly even with the upper edge of the opening a, and the ice-chamber D, can then be closed up perfectly airtight. It will be seen that this chamber extends down nearly to a level with the plate; thus surrounding the upper port-:ion of the butter, so that when the chamber D, is filled with ice, as shown in Fig. l, the butter is cooled much more eiiectually than it would be by simply placing a piece of ice beneath it or upon its top. And at the same time the ice being closed up hermetica-lly is thus prevented coming in contact with the external air, whether the cover C, be taken 01T or put on, and the ice preserves its solid state for a longer time, so that it is thus used with better effect and with less expense.

This cooler may be made of sheet metal, spun to the required form, and handsomely ornamented and plated, so that it forms quite an ornament even for the most aristocratic tables; and the use of sheet metal has the other great advantage, that the low temperature of the ice is communicated through the walls of the cover or of the plate to the butter. I do not want to confine myself however to any particular material or form as both can be altered at pleasure.

IVhat I claim as new and desire to secure by. Letters Patent, is

The arrangement of the air-tight ice-chamber D, in combination with the butter plate A, and with the cup B, substantially as and for the purpose set forth.

G. W. SMITH.

Vitnesses:

ROBT. RAINEY, C. L. 'RAINESL 

